Single-trigger firearm.



PATENTED JUNE 30, 1903.

J. A. R. ELLIOTT. SINGLE TRIGGER FIREARM. APPLICATION FILED MAY 10, 1902 2 SHEETS-SHEET 1.

NO MODEL.

I III W/TNESSES PATENTED JUNE 30, 1903.

J. A. R. ELLIOTT. SINGLE TRIGGER FIREARM.

APPLICATION FILED MAY 10, 1902.

2 SHEETS-SHEET 2.

NO' MODEL.

- //v VE/V 70/? Juaar flji. ZZZ/421 37 WIVTNESSES A TTOfM/EVS llrvirsn' S'rn'rjns Patented June 30, 1903.

JAMES A. R. ELLlGTT, OF KANSAS CITY, MISSOURI.

sQNGLE=YWGGER Fantasia.

SPEGE'IGATION forming part of Letters Patent No. 732,531, dated June 30, 1903. Application filed Eloy 10, 1902. Serial No) 106,714 (No model) To @335 whom it may concern:

Beit known that 1, JAMES A. R. ELLIOTT, a citizen of the United States, and a resident of Kansas City, in the county of Jackson and State of lilissouri, have invented new and Improved Firearm, of which the following is a full, clear, and exact description.

This invention relates to improvements in firearms, particularly doublebarrel guns, in which the two hammers are released by a single trigger; and the object is to provide a simple means whereby the firing mechanism may beset for discharging either one of the barrelsfirst and Without danger of firing the other barrel until the mechanism is set therefor.

Other objects or" the invention will appear in the general description.

,1 will describe a firearm embodying my invention and then point out the novel features in the appended claims;

Reference is to be hadto the accompanying drawings, forming a part of this specification, in which similar charactersof reference indicate corresponding parts in all the figures.

Figure 1 is a side elevation of afiring mech anism for firearm embodying my invention.

Fig. 2 is a plan view thereof, showing the parts in position for firing the right barrel. Fig. 3 is a plan showing the parts in central position,

where they may be locked for safety or both Fig. a is a secbarrels may be fired at once.

is a tion on the line 4 i of Fig. 3, and Fig. section on the line 5 5 of Fig. 4.

Referring to the drawings, designates the trigger-plate, and 10 the top plate, of the lock mechanism, of the usual construction. Supported on the trigger-plate 10 is a frame, consisting of rear plate or member 12, a front plate or post 13, and a top plate 14. Extended upwardfroni the plate 10 is a post 15, on which a sear-governing sleeve 16 is vertically movable and also adopted to rotate. It will be noted that the post is longitudinally corrugated or channeled to form ways to receive oil and also to receive fine dirt or rust that may form about the parts, so that when the sleeve is operated on the post the dirt or rust will be forced into the channels, also to lessen friction. At its upper end the sleeve 16 is provided with lugs 17 18 at opposite sides,

and at its lower end it is provided at opposite sides with lugs 19, designed to be engaged by stop-springs 20 21, as will be hereinafter described. These springs 20 21' are extended from a plate 22, secured to the trigger-plate 10,. and also extended from the plate 22 is a spring 23,which engages in a notch 24, formed in the trigger 25, the said trigger 25 being pivoted to the post 13 and movable through a slot in the plate 10 in the usual manner. The spring 23 serves to return the trigger to normal position after firing. i

. Attached to the top platelet is a spring so, the free'end of which extends into the line of movement of the sleeve 16. This spring acts as a temporary checlcand serves to take the trigger pull upon firing the gun, because of the strain caused by the gripping and jumping of the firearm when an explosion takes place, andit also forms a check to prevent the sleeve from further. upward movement or rotary movement until the final or continued pull, which forces the sleeve farther upward, re leasing the lower end of the sleeve and permitting a rotary motion of the sleeve to put the partsin position for firing the other barrel. This spring 26 also serves as a cushion for the first operation. of the trigger, as will i be more fully explained hereinafter.

As a means for imparting a rotary motion to the sleeve 16 I employ a shifting-arm 27, which consists, preferably, of resilient metal, and it has a ball-and-socket connection with the sleeve, as indicated at 28. This permits of both rotary and vertical movements of the sleeve with very little friction. The shiftin arm is pivoted to a block 29, movable trans:

versely in a channel formed in the post 13, and from this block 29 a pin 30 extends into a perforation formed in the top plate'll.v It may be here stated that the top'platc l l is mounted to swing on the upper end of the post 15, and the end plate 12 is also movable with said plate 1;. I The forward end of the plate ii is provided with a slot, as indicated at 31, and in this slot engages a finger 32 of a shifting-bolt 33, which extends down-ward through an opening in the plate wand is provided at its outer end with a thumb-piece 34.

The hammers 35 are actuated by the usual springs and they are held incocked position by means of sears 36 37, these sears at their rear ends being extended inward, as indicated at 38, for engaging with the lugs on the upper end of the sleeve 16.

As a means for pressing the springs 20 21 alternately downward, or rather permitting the springs to alternately move upward into the line with the lugs 19 on the lower end of the sleeve when the sleeve is in its upper-.

most position, I provide a shiftingor rocking plate 39. This plate 39 is pivoted to the end plate 12, and outward extensions on its lower end engage with the said springs 20 and 21. The upper end of the plate 39 is provided with a notch" to receive'the ball-like lower end 40 of a lever 41, pivoted on the plate 12, and from the upper end of this lever 41 apin 42 extends into a transverse slot 43, formed in a shifter-plate 44, pivoted on the plate 14. This plate 44 is swung on its pivot by means of the thumb-piece 34 when the action is adjusted to fire either the right or left hand barrel or both barrels.

The safety device consists of fingers 45, extended downward at opposite sides of the plates 44 and 14, the upper ends being connected to a plate 46, attached to the safetybar 47. The thumb-lever 48, pivoted on the top plate 10, is connected to'thebarrel-lockshifting post 49in theusual manner and a pin 50, carried by this post, engages with the bar 47 at its forward end. The bar 47 has both a slight swinging movement and a longitudinal movement. Its rear end is provided with a lug 51 for engaging in any one of three notches 52, formed in the under side be engaged by the safety-fingers 45.

of the plate 10. A push-button 53, movable on the top of the plate 10, has a pin 54 extended through a slot in the plate 10 and through an opening in the said bar 47, and between a cross-pin at the lower end of the gin 54 and the said rod is arrangeda spring 55, which holds the rod yieldingly against the plate 10.

The plates 10 and 10 are held in connection with the gun-stock by means of a screw 56 at the rear end and a screw 57 at the forward end, which passes through the plate 10 and engagesin the post 1 as clearly shown in the drawings.

At the top and front side of the sleeve 16 are oppositely-extended fingers 58 59, designed to It will be noted that the lower end of the sleeve 16 rests on the trigger 25, and at opposite sides at the lower end of the post 15 the plate 10 is grooved to receive the ends of the springs 20 21.

The post 15, as shown in Fig. 4, is slotted at its lower portion in line with the slot in the plate 10 to permit of the upward movement of the trigger and to prevent side motion of the same.

In the operation upon breaking the barrels for removing emptyshells and inserting cartridges the bar 47 will be moved rearward, causing one of the safety-fingers'45 to engage upon one of the fingers 58 or 59, thus preventing any possible upward movement of the sleeve 16 while the ends of the sears are resting on the upper surfaces of the lugs 17 and 18. Thismovement of the fingers 45 will also rotate the sleeve to bring it into firing position, putting the spring 27 under tension to reverse the sleeve or return it to position for firing the other barrel. At this time the lug 51 will engage in the rearmost notch 52. Upon setting the barrels again to locked position the bar 47 is to be moved forward by pressure ori the thumb-piece 53, releasingthe safetyfingers from the fingers on the sleeve. The thumb-piece 34 is to be moved toone side or the other, depending upon which barrel is to fired first. For instance, if the right-hand barrel is to be first fired the thumb-piece 34 is to be swung to the left, and this movement by causing a transverse motion of the block 29-will swing the arm 27. and this swinging motion of the arm 27 will rock the sleeve 16 to move the lug 1.7 out from underneath the sear 36, which is the sear for the hammer of the left-hand barrel, leaving the sear 37 for the hammer of theright-hand barrel in engagem ent with the lug 18. During the setting of the sleeve the plate 39 will be rocked to force the end of the spring 21 down below its lug on the lower end of the sleeve, thus permitting such rotary motion. Upon pulling the trigger the sleeve 16 .will be forced upward, consequently tilting the sear 37 out of engagement with its hammer, permitting the action of the hammer. The other sear, however, will not be actuated, because its rear-end is out of the line of movement of its lu-g. As before stated, during the upward movement the sleeve 16 will engagewith the spring 26, temporarily checking further upward movement of the sleeve until the final pull, caused by the recoil action of the'gun. If it is not desired to immediately fire the other barrel, the rod 47' may be drawn rearward to engage its lug 51 in the center notch 52, so that a finger '45 of the safety device will'engage upon one of the fingers 58 or 59, depending upon-which finger is forward, as indicated in Fig. 2. When it is desired to fire the other barrel, the thumbpie'ce 34 is to be shifted in the opposite direction to that first described, consequently rotating the sleeve to engage it underneath the sear 36, leaving the sear 37 free. Then the same operation takes place. When the thumb-piece 34 is in a central position, as indicated in Fig. 3, both sears will rest on top of the ln gs of the sleeve, so that, if desired, both barrels may be fired at once, provided-the safety device is moved forward. Ordinarily, however, the central position, as indicated in Fig. 3, is the normal position while carrying the gun and the safety device is in position on the fingers 58 and 59.

be moved, so that rust or dirt will be perfectly cleaned off.

veassi lavin g thus described my invention, I claim I as new and desire to secure by Letters Fatent- 1. In a firearm having a pllllflllby of hammers, sears for engaging with the hammers, a sleeve mountedfor rotary and'veftical movements, lugs on said sleeve for engaging the sears, means for causing the rotary movement of the sleeve in. opposite directions for. engagement with either sear first, and a trigger for causing the upward movement of the sleeve, substantially as specified.

2. in a firearm, a firing mechanism comprising hammers, scars for the hammers, a post, a sleeve mounted to rotate on said post and also having a vertical movement thereon,

lugs on opposite sides of said sleeve at the upper end for engagingthe sears, a trigger engaging withrthe loiver end of the sleeve, an arm having swinging connection with said sleeve, a block movable transversely and to which said arm is pivoted, a swinging plate with which said block engages, and means for swinging the plate, substantially as specie fied.

3. in a firearm, a firing mechanism com--,

plate, and a thumb-piece on the outer end of said rod, substantially as specified.

i. In a firearm, a firing mechanism, comprising a frame, a longitudinally-corrugated post fixed on the frame, and 'a sear-operating sleeve mounted to rotate and to moveverti cally on said post, substantially as specified.

5. in a firearm, a firingmechanism com prising a post, a plate mounted to swing on said post, sleeve movable vertically on the post'and adapted to rotate thereon, a trigger for forcing the sleeve upward, a transverselymovable block, an arm pivoted to said block and having a ball-and-socket connection with the sleeve, a shifting device engaging with the plate, aspring on said plate for engaging against the upper end of the sleeve,springs for engaging lugs on opposite sides of the sleeve, and means for alternately depressing said springs upon a movement of said plate, substantially as specified.

6. In a firearm, a firing mechanism comprising a post, a sleeve movable vertically thereon and also adapted to rotate thereon, lugs on opposite sides of the sleeve near the upper end, hammers, sears for said hammers adapted to be engaged by said lugs, means for imparting the rotary motions to the sleeve wherebyit maybe set for firing either barrel first, a trigger for causing the vertical moveieut of the sleeve, and a spring for holding the trigger in connection with the sleeve and for moving it to normal position, substantially as specified.

7. In a firearm, a firing-mechanism, com-f prising a fixed post, a sleeve movable veriically thereon, and also adapted to rotate, lugs on opposite sides of said sleeve, hammers, sears for-said hammers adapted to be engaged by the lugs, means for rotat'ively shifting said sleeve iii-opposite directions for releasing either sear first and engaging with the other, thus permitting'of the firing of either barrel first, and a trigger for moving the sleeve upward, substantial] y as specified.

8." in a firearm, a firing mechanism com-' prising a post, a sleeve mounted to rotate thereon and to move vertically thereof, lugs.

on opposite sides of the sleeve at the top, hammer-sears for engaging with said lugs, lugs at opposite sides of said sleeve at the lower end, springsfor engaging with said lugs,

apivoted plate for engaging with said springs,

and means for causing the rotary movements of said sleeve and means also for causing a swinging motion of said plate to depress one spring, permitting the other spring to rise, substantially as specified.

9. In a firearm, a firing mechanism cornprising a post, a sleeve movable vertically thereof and also adapted to rotate thereon, lugs on opposite sides of said sleeve, hammersears for engaging with said lugs, a plate mounted to swing. on the post, connections between said plate and the sleeve, means forprising a post, a sleeve mounted to rotate on said post and movable lengthwise thereof, hammer-sears for engaging with projections or lugs on said sleeve, lugs on the opposite sides of said sleeve at the lower end, springs for engaging with said lugs, a pivoted plate, devices operated by said plate for alternately depressing said springs, means for causing a rotary movement of the slceve, and a safety device automatically moved into engagement with the sleeve upon the breaking of the gun, substantially as specified.

11. In a firearm, a firing mechanism comprising a vertically-movable and rotating sleeve, hammensears for engaging with said sleeve, means for causing a rotary movement of the slceve,.. a safety device comprising fingers adapted for engagement with the sleeve, a p'ushr0d to which the safety device is attached, a barrel-releasing lever, and connections between said lever and rod whereby the rod is moved and the safety device set/upon a movement of the lever to break the barrels, substantially as specified.

12. In a firearm, a firing mechanism comprising a sleeve mounted to rotate and to IIO move vertically, hammer-sears for engaging with said sleeve, and means for shifting said sleeve whereby either barrel may be fired .first or both barrels may be simultaneously .of the trigger, as set forth.

. 14. In a firearm, a firing mechanism, comprising a device mounted to rotate and to move vertically, hammer-sears for engaging with said device,means for turning said device whereby either barrel may be fired first or both barrels may be simultaneously fired, a trigger for moving said device vertically, and a spring adapted to engage the said device and serving to take the trigger pull upon firing the gun, as set forth.

15. In a firearm, a firing mechanism, comprising a frame, a longitudinally-corrugated post'fixcd on the frame, a sear operating sleeve, mounted to rotate and to move vertically on said post, and a trigger for moving the sleeve upward and on which the sleeve rests, the base of thesleeve having equal hearing both at the front and rear edge on said trigger, as set forth.

16. In a firearm, a firing mechanism com- Tease-1 prising a frame, a longitudinally-corrugated 'post on the frame, a searoperating sleeve mounted to rotate and to move vertically on said post, and a trigger for moving the sleeve upward and on which said sleeve rests, the

base of the sleeve having equal hearing at the front and rear edge on said trigger, the said post being slotted at its base to permit of the upward movement of the trigger, as set forth.

17 In a firearm, a firing mechanism comprising a frame, a post fixed on the frame, a sear-operating sleeve mounted to rotate and to move vertically on said post, a trigger for moving the sleeve upward and on which the sleeve rests, the base of the sleeve bearing both at the front and rear edge on said trigger, an arm of resilient material having swinging connection with the sleeve, lugs at the lower end of the sleeve, stop 'springs adapted to engage said lugs, and a spring for engaging the upper end of the sleeve, as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JAMES A. R. ELLIOTT.

\Vitnesses:

' O. R. FERGUSON,

EVERARD BoLToN MA SHALL. 

